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The muscles of the forearm that move the wrist, hand, and digits are numerous and diverse. They can be classified into two groups based on their location and function — the anterior and posterior compartment muscles.
Anterior Compartment
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The pre-procedure steps of handwashing include removing jewelry and rolling up sleeves. However, many organizations allow staff to wear wedding rings.
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Nerve plexuses are networks of interlacing nerves that serve as communication hubs to distribute and organize nerve action across various body regions. The nerve plexuses are organized into the cervical plexus located in the neck region, brachial plexus in the shoulder area, lumbar plexus found in the lower back, sacral plexus situated in the pelvis, and coccygeal plexus located in the coccygeal region.
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Handwashing is hand hygiene with plain or antimicrobial soap and water to physically remove dirt, organic material, and microorganisms. However, it may not kill all microorganisms. The handwashing procedure requires a hand wash basin, liquid soap, paper towels, a domestic waste bin, and disposable nail cleaner as optional equipment.
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The muscles that move the forearms can be divided into four groups: forearm flexors, forearm extensors, forearm pronators, and forearm supinators. The flexors and extensors act on the elbow joint, while the pronators and supinators act on the radioulnar joints.
Forearm Flexors
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The Hand: Shall We Ever Understand How it Works?

Mark L Latash1

  • 1Dept. of Kinesiology, Pennsylvania State University, University Park, PA.

Motor Control
|October 2, 2014
PubMed
Summary

This review explores the physical mechanisms of neural control for the human hand, including synergies and age-related changes. It examines motor control theories and their implications for neurological disorders.

Area of Science:

  • Neuroscience
  • Motor Control
  • Biomechanics

Background:

  • The human hand's intricate movements are governed by complex neural processes.
  • Understanding neural control is crucial for addressing motor impairments.

Purpose of the Study:

  • To review the physical approaches to neural control of the human hand.
  • To discuss age-related and neurological disorder-related changes in hand control.

Main Methods:

  • Literature review focusing on physical control theories.
  • Synthesis of concepts like equilibrium-point control and the uncontrolled manifold hypothesis.
  • Analysis of multidigit synergies and anticipatory adjustments.

Main Results:

  • The review highlights key concepts in physical motor control for the hand.

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  • It details how neural control of the hand changes with aging.
  • It discusses the impact of neurological disorders on hand motor control.

    • Conclusions:

    • Physical approaches offer a robust framework for understanding hand neural control.
    • Age and neurological conditions significantly alter hand control mechanisms.
    • Further research into these concepts can inform rehabilitation strategies.